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Patent Searching and Data


Title:
PEN-TYPE COMPASS
Document Type and Number:
WIPO Patent Application WO/2020/246278
Kind Code:
A1
Abstract:
[Problem] To provide a pen-type compass that makes the lead of a typical mechanical pencil usable and facilitates a knocking operation to enable an improvement in usability. [Solution] A pen-type compass is provided with a needle-side body 12 and a sharp-side body 11. The sharp-side body 11 is provided with a sharp-side body upper part 11a, a sharp-side body lower part 11b that accommodates a sharp mechanical part 21, and a connection part 13 that detachably connects the sharp-side body upper part 11a and a sharp-side body lower part 11b to each other. The connection part 13 is provided with a through-hole in a axial direction thereof, a lead protection part 133 that retains an upper part of a lead having a typical length (60 mm) inserted into the sharp mechanical part 21, formed to have such a length as to be capable of accommodating an upper end portion of the lead, and provided with a cone-shaped protrusion part 145 at a surface of a knock part 14.

Inventors:
TAKAGI TOMOKO (JP)
Application Number:
PCT/JP2020/020424
Publication Date:
December 10, 2020
Filing Date:
May 22, 2020
Export Citation:
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Assignee:
RAYMAY FUJII CORP (JP)
International Classes:
B43L9/02; B43K21/16; B43K29/00
Foreign References:
JP3178069U2012-08-30
JP3049965U1998-06-30
JPS58117978U1983-08-11
DE9007164U11990-08-30
Attorney, Agent or Firm:
FUNATSU, Nobuhiro (JP)
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